Table 1 Comparison of baseline... | American Society of Hematology

Table 1

Comparison of baseline characteristics in non-Hodgkin lymphoma cases and individually matched controls

Characteristic	Cases (n = 104)	Controls (n = 104)
Age, y	58	57
Smoking
Number of cigarettes/day	20	20
Years of smoking	39	39
Pack-years	36	35.5
Height, meters	1.75*	1.74
Body mass index (BMI), kg/m²	25.5	25.4
BMI < 25, %	38	40
BMI 25-29.9, %	45	48
≥30, %	17	12
Diastolic blood pressure, mm Hg	84	88
Systolic blood pressure, mm Hg	136*	140
Leisure-time physical activity, %
Intensity
Low	45	36
Moderate	48	52
Heavy	7	13
Frequency (times per week)
< 1	46	47
1-2	32	28
≥ 3	22	25
Dietary intake†
Alcohol, g/d	9.6	11.6
Multivitamin supplement use, %	5	5
Calories, kcal/day	2584	2782
Supplementation group
Placebo, %	28	29
Alpha-tocopherol, %	24	24
Beta-carotene, %	25	25
Alpha-tocopherol/beta-carotene, %	23	22
Mitochondrial DNA copy number, median (interquartile range)	120.6* (105.6-155.9)	114.1 (99.6-130.7)

Characteristic	Cases (n = 104)	Controls (n = 104)
Age, y	58	57
Smoking
Number of cigarettes/day	20	20
Years of smoking	39	39
Pack-years	36	35.5
Height, meters	1.75*	1.74
Body mass index (BMI), kg/m²	25.5	25.4
BMI < 25, %	38	40
BMI 25-29.9, %	45	48
≥30, %	17	12
Diastolic blood pressure, mm Hg	84	88
Systolic blood pressure, mm Hg	136*	140
Leisure-time physical activity, %
Intensity
Low	45	36
Moderate	48	52
Heavy	7	13
Frequency (times per week)
< 1	46	47
1-2	32	28
≥ 3	22	25
Dietary intake†
Alcohol, g/d	9.6	11.6
Multivitamin supplement use, %	5	5
Calories, kcal/day	2584	2782
Supplementation group
Placebo, %	28	29
Alpha-tocopherol, %	24	24
Beta-carotene, %	25	25
Alpha-tocopherol/beta-carotene, %	23	22
Mitochondrial DNA copy number, median (interquartile range)	120.6* (105.6-155.9)	114.1 (99.6-130.7)

Data are medians unless otherwise noted.

P < .05 for comparison of cases versus controls using Wilcoxon nonparametric test for continuous variables and using χ² test for categorical variables.

†

Dietary intake data were available for 98 case subjects and 98 control subjects.

View Large

This Feature Is Available To Subscribers Only